介绍了分布式计算环境和网络地理信息系统的概念, 探讨了分布式计算环境下网络地理信息系统的几种实现方法, 最后对未来的分布式网络地理信息系统发展进行了展望。-Describes the distributed computing environment and network geographic information system concepts, discusses the distributed computing environment, several Web GIS implementation method of the distributed network of the future development of geographic information systems were discussed.